Procurement teams should prioritize technical specifications including glutathione concentration (typically ranging from 2-5%), pH stability (ideally 3.5-5.5), and penetration enhancers
These aid digestion and improve gut health
Gallwitz B, Witt M, Paetzold G, et al
Jan 15, 2026 Ninety percent of researchers using GHK-CU get their dosing wrong
When the lining of the blood vessels (the endothelium) is under constant stress from free radicals, it becomes less flexible and more prone to inflammation
Rotating injection sites among recommended areas (abdomen, thigh, upper arm), cleansing the skin before injection, and avoiding areas with visible blood vessels, inflammation, infection, or scarring can help minimize these reactions